US2482746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space heater
Assignee: Individual
•
Filing: 1945-12-10
•
Granted: 1949-09-27
•
Expires: 1965-12-10
Abstract
No abstract record available.
Inventors
- 👤 Robert E Crozier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:40
CPC Classifications
F; F28; F28D; F28D21/00; F28D21/0001; F28D21/0003; F28D21/0005; F28D21/0008; F24; F24H; F24H3/00; F24H3/02; F24H3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1664317A
Cited
US1778146A
Cited
US2104212A
Cited
US2249554A
Cited
US2269055A
Cited
US2282013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |